@article{PismaZhETF.52.1043,
    title = {Nonlinear electrical conductivity of ballistic quantum contacts},
    author = {Zagoskin, A. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {52},
    issue = {8},
    pages = {1043},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17531.shtml},
}